/** Vendor information for CPE210/220/510/520 */
-static const unsigned char cpe510_vendor[] = "\x00\x00\x00\x1f""CPE510(TP-LINK|UN|N300-5):1.0\r\n";
+static const char cpe510_vendor[] = "CPE510(TP-LINK|UN|N300-5):1.0\r\n";
/**
/**
The support list for CPE210/220/510/520
-
- The stock images also contain strings for two more devices: BS510 and BS210.
- At the moment, there exists no public information about these devices.
*/
-static const unsigned char cpe510_support_list[] =
- "\x00\x00\x00\xc8\x00\x00\x00\x00"
+static const char cpe510_support_list[] =
"SupportList:\r\n"
"CPE510(TP-LINK|UN|N300-5):1.0\r\n"
+ "CPE510(TP-LINK|UN|N300-5):1.1\r\n"
"CPE520(TP-LINK|UN|N300-5):1.0\r\n"
+ "CPE520(TP-LINK|UN|N300-5):1.1\r\n"
"CPE210(TP-LINK|UN|N300-2):1.0\r\n"
+ "CPE210(TP-LINK|UN|N300-2):1.1\r\n"
"CPE220(TP-LINK|UN|N300-2):1.0\r\n"
- "\r\n\xff";
+ "CPE220(TP-LINK|UN|N300-2):1.1\r\n";
#define error(_ret, _errno, _str, ...) \
do { \
} while (0)
+/** Stores a uint32 as big endian */
+static inline void put32(uint8_t *buf, uint32_t val) {
+ buf[0] = val >> 24;
+ buf[1] = val >> 16;
+ buf[2] = val >> 8;
+ buf[3] = val;
+}
+
/** Allocates a new image partition */
-struct image_partition_entry alloc_image_partition(const char *name, size_t len) {
+static struct image_partition_entry alloc_image_partition(const char *name, size_t len) {
struct image_partition_entry entry = {name, len, malloc(len)};
if (!entry.data)
error(1, errno, "malloc");
}
/** Frees an image partition */
-void free_image_partition(struct image_partition_entry entry) {
+static void free_image_partition(struct image_partition_entry entry) {
free(entry.data);
}
/** Generates the partition-table partition */
-struct image_partition_entry make_partition_table(const struct flash_partition_entry *p) {
+static struct image_partition_entry make_partition_table(const struct flash_partition_entry *p) {
struct image_partition_entry entry = alloc_image_partition("partition-table", 0x800);
char *s = (char *)entry.data, *end = (char *)(s+entry.size);
/** Generates the soft-version partition */
-struct image_partition_entry make_soft_version(uint32_t rev) {
+static struct image_partition_entry make_soft_version(uint32_t rev) {
struct image_partition_entry entry = alloc_image_partition("soft-version", sizeof(struct soft_version));
struct soft_version *s = (struct soft_version *)entry.data;
}
/** Generates the support-list partition */
-struct image_partition_entry make_support_list(const unsigned char *support_list, size_t len) {
- struct image_partition_entry entry = alloc_image_partition("support-list", len);
- memcpy(entry.data, support_list, len);
+static struct image_partition_entry make_support_list(const char *support_list) {
+ size_t len = strlen(support_list);
+ struct image_partition_entry entry = alloc_image_partition("support-list", len + 9);
+
+ put32(entry.data, len);
+ memset(entry.data+4, 0, 4);
+ memcpy(entry.data+8, support_list, len);
+ entry.data[len+8] = '\xff';
+
return entry;
}
/** Creates a new image partition with an arbitrary name from a file */
-struct image_partition_entry read_file(const char *part_name, const char *filename, bool add_jffs2_eof) {
+static struct image_partition_entry read_file(const char *part_name, const char *filename, bool add_jffs2_eof) {
struct stat statbuf;
if (stat(filename, &statbuf) < 0)
I think partition-table must be the first partition in the firmware image.
*/
-void put_partitions(uint8_t *buffer, const struct image_partition_entry *parts) {
+static void put_partitions(uint8_t *buffer, const struct image_partition_entry *parts) {
size_t i;
char *image_pt = (char *)buffer, *end = image_pt + 0x800;
}
/** Generates and writes the image MD5 checksum */
-void put_md5(uint8_t *md5, uint8_t *buffer, unsigned int len) {
+static void put_md5(uint8_t *md5, uint8_t *buffer, unsigned int len) {
MD5_CTX ctx;
MD5_Init(&ctx);
----------- -----
0000-0003 Image size (4 bytes, big endian)
0004-0013 MD5 hash (hash of a 16 byte salt and the image data starting with byte 0x14)
- 0014-1013 Vendor information (4096 bytes, padded with 0xff; there seem to be older
+ 0014-0017 Vendor information length (without padding) (4 bytes, big endian)
+ 0018-1013 Vendor information (4092 bytes, padded with 0xff; there seem to be older
(VxWorks-based) TP-LINK devices which use a smaller vendor information block)
1014-1813 Image partition table (2048 bytes, padded with 0xff)
1814-xxxx Firmware partitions
*/
-void * generate_factory_image(const unsigned char *vendor, size_t vendor_len, const struct image_partition_entry *parts, size_t *len) {
+static void * generate_factory_image(const char *vendor, const struct image_partition_entry *parts, size_t *len) {
*len = 0x1814;
size_t i;
if (!image)
error(1, errno, "malloc");
- image[0] = *len >> 24;
- image[1] = *len >> 16;
- image[2] = *len >> 8;
- image[3] = *len;
+ put32(image, *len);
- memcpy(image+0x14, vendor, vendor_len);
- memset(image+0x14+vendor_len, 0xff, 4096-vendor_len);
+ size_t vendor_len = strlen(vendor);
+ put32(image+0x14, vendor_len);
+ memcpy(image+0x18, vendor, vendor_len);
+ memset(image+0x18+vendor_len, 0xff, 4092-vendor_len);
put_partitions(image + 0x1014, parts);
put_md5(image+0x04, image+0x14, *len-0x14);
should be generalized when TP-LINK starts building its safeloader into hardware with
different flash layouts.
*/
-void * generate_sysupgrade_image(const struct flash_partition_entry *flash_parts, const struct image_partition_entry *image_parts, size_t *len) {
+static void * generate_sysupgrade_image(const struct flash_partition_entry *flash_parts, const struct image_partition_entry *image_parts, size_t *len) {
const struct flash_partition_entry *flash_os_image = &flash_parts[5];
const struct flash_partition_entry *flash_soft_version = &flash_parts[6];
const struct flash_partition_entry *flash_support_list = &flash_parts[7];
parts[0] = make_partition_table(cpe510_partitions);
parts[1] = make_soft_version(rev);
- parts[2] = make_support_list(cpe510_support_list, sizeof(cpe510_support_list)-1);
+ parts[2] = make_support_list(cpe510_support_list);
parts[3] = read_file("os-image", kernel_image, false);
parts[4] = read_file("file-system", rootfs_image, add_jffs2_eof);
if (sysupgrade)
image = generate_sysupgrade_image(cpe510_partitions, parts, &len);
else
- image = generate_factory_image(cpe510_vendor, sizeof(cpe510_vendor)-1, parts, &len);
+ image = generate_factory_image(cpe510_vendor, parts, &len);
FILE *file = fopen(output, "wb");
if (!file)
/** Usage output */
-void usage(const char *argv0) {
+static void usage(const char *argv0) {
fprintf(stderr,
"Usage: %s [OPTIONS...]\n"
"\n"
projects / openwrt.git / blobdiff